50506240 has 80 divisors (see below), whose sum is σ = 122882760. Its totient is φ = 19906560.

The previous prime is 50506217. The next prime is 50506243. The reversal of 50506240 is 4260505.

It can be written as a sum of positive squares in 4 ways, for example, as 29419776 + 21086464 = 5424^2 + 4592^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (50506243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278950 + ... + 279130.

Almost surely, 2^50506240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61441380).

50506240 is an abundant number, since it is smaller than the sum of its proper divisors (72376520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50506240 is a wasteful number, since it uses less digits than its factorization.

50506240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313 (or 297 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 50506240 is about 7106.7742330821. The cubic root of 50506240 is about 369.6423132032.

Adding to 50506240 its reverse (4260505), we get a palindrome (54766745).

The spelling of 50506240 in words is "fifty million, five hundred six thousand, two hundred forty".